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Home > Products > Acid > Stable Good Quality Tannic Acid/Gallotannic Acid (food grade, industry grade)

Stable Good Quality Tannic Acid/Gallotannic Acid (food grade, industry grade)

Payment Type: L/C, T/T, Western Union
Min. Order: 20

Basic Info

Model No.: BYT2

Product Description

Basic Info. Model NO.:BYT2 Classification:Gallotannic Acid Appearance:Powder Grade Standard:A Grade Acid Strength:Strong Acid Kind:Inorganic Acid Quality:Tech Grade Packaging:Paper Bag Element:Tannic Acid Oxidation:Oxidizing Acid Volatility:Volatile Acid Stability:Stabilized Acid Delivery Time:Within 7-15workdays Trademark:brnak Specification:A Grade Origin:Made in China
Name:Tech Grade Tannic Acid
Molecular formula: C76H52O46
Molecular weight: 1701.18
Appearance: light yellow or light brown amorphous powder;
Quality index: in accordance with the national standard of GB5308-85.
Uses: material for making Tannic acid, Pyrogallic Acid and sulfa drugs . In the chemical production, it can produceGallic acid and Pyrogallic acid); as mud treatment agent in petroleum industry. In addition, can be used in the production of leather tanning agent, mordant, rubber curing agent, agent of proteins, alkaloids precipitation agent, mineral inhibitor, wine clarifying agent, the extraction of germanium and the configuration of the blue-black ink, etc
Storage: Moistureproof and avoid light, sealed storage
Packing: kraft bag, Net wt 25kg
Tannic acid
Other names:Gallotannic acid
CAS number: 1401-55-4
Purity:81%,90%
Packing: 25kg/fiber cans
Properties: Pale yellow powder or loose without finalize the design a shiny scales or spongy solid
EINECS number: 215-753-2
Formula: C76H52O46
Molecular weight: 1701.1985
Density: 2.12 g/cm3
Melting point: 218 °C
Water-soluble: 250 g/L (20 °C)
 
Melting point 210 ~ 215 °C  The flash point of 187 °C Product use: Mainly used in tanning, also for medicine, ink, dyeing and printing, rubber and metallurgical and other industry and Water Treatment, etc
 
[Certificate of Analysis]
 

Description

Light Yellow Powder

Qualified

Tannic Acid Content (Dry Basis)

≥95%(UV)

97.2%(UV)

Mesh Size

100%pass 80mesh

Qualified

Identification

(+)

Positive

Odor

Practically odourless

Qualified

Taste

Neutral/slight astringent taste

Qualified

PH(1% In Water)

3-4

4

Residue On Ignition

≤1.0%

0.2%

Loss on Drying

≤9.0%

7.3%

Bulk density

30~45g/100mL

40g/100ml

Gums, Dextrin Test

No turbidity

Qualified

Resins Test

No turbidity

Qualified

Gallic Acid

≤1%

0.75%

Colour Gardner(1/10 alcohol)

≤5

2

Solubility

Very soluble in water, freely
soluble in acetone, in alcohol

Qualified
 

Contact us if you need more details on Tannic Acid. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Glycerite、Tannin. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Acid

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